Modifying SharedPreferences after install (restored through BackupManager)
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29-05-2021 - |
题
My app has the ability to backup and restore SharedPreferences
using an BackupAgentHelper
class. However there are two entries that must not restored.
Is there a way to reset them after restoring again?
I don't want to put them in a different SharedPreference
, they have to be in the same file.
解决方案
Use the onBackup or onRestore methods of the BackupAgent to clear out the values before or after the operation.
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